Home / 281,184.36-421,589.43-154,884.03

Finding the Fourth Proportional to 281,184.36, 421,589.43 and 154,884.03

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Solution

The fourth proportional to 281,184.36, 421,589.43 and 154,884.03 is: 232,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,184.36 : 421,589.43 = 154,884.03 : x
  2. Step 2: Convert to fraction form
    281,184.36/421,589.43 = 154,884.03/x
  3. Step 3: Cross multiply
    281,184.36x = 421,589.43 × 154,884.03
  4. Step 4: Simplify right side
    281,184.36x = 65,297,469,923.80
  5. Step 5: Solve for x
    x = 65,297,469,923.80/281,184.36
  6. Step 6: Final answer
    x = 232,222.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.